petametre

See also: pétamètre and peta-metre

English

Noun

petametre (plural petametres)

  1. (metrology) An SI unit of length equal to 1015 metres. Symbol: Pm
    Alternative forms: Pm, petameter (US)
    Meronyms: picometre < nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre

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